Preparing movies to work with Apple TV
If you have an Apple TV, you can use it to watch movies from your computer on your TV. You might need to convert some movies to work with Apple TV.
To convert a movie:
In iTunes, select the movie.
If the movie isn’t in your iTunes library yet, drag the movie file to the iTunes window.
Choose AdvancedÂ > â€œCreate AppleÂ TV Version.â€
Converting a movie for Apple TV can take several minutes to several hours, depending on your computer and on the length and content of the movie.
The original movie file remains in your iTunes library.